Generate alternative text for images showing test-reporter generate…

…d content

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README.md

@@ -9,7 +9,7 @@ This [Github Action](https://github.com/features/actions) displays test results
 ✔️ Provides final `conclusion` and counts of `passed`, `failed` and `skipped` tests as output parameters
 
 **How it looks:**
-|![](assets/fluent-validation-report.png)|![](assets/provider-error-summary.png)|![](assets/provider-error-details.png)|![](assets/mocha-groups.png)|
+|![Test results summary showing FluentValidation test run with all tests passed, including details such as test file names, number of passed, failed, and skipped tests, and execution times. The interface is dark-themed and displays a green badge indicating 3527 passed and 4 skipped tests.](assets/fluent-validation-report.png)|![Provider error summary panel listing failed tests with error messages, file paths, and line numbers. The summary uses a dark background and highlights errors in red for quick identification.](assets/provider-error-summary.png)|![Provider error details panel showing a specific test failure with a detailed error message, stack trace, and code annotation. The environment is consistent with GitHub Actions UI, focusing on clarity and accessibility.](assets/provider-error-details.png)|![Mocha test groups report displaying grouped test results with counts of passed, failed, and skipped tests. The table format and color-coded badges help users quickly assess test suite health.](assets/mocha-groups.png)|
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 **Supported languages / frameworks:**